ZDI-26-831: Apple macOS CoreText GDEF LigCaretList Out-Of-Bounds Read Information Disclosure Vulnerability
Published Oct 28, 2026
·Updated
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Apple macOS. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 3.3. The following CVEs are assigned: CVE-2026-112656.
Affected Software
1 affected component
Apple macOS
Event History
Oct 28, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
Who is exposed to this vulnerability?
Affected Apple macOS installations are exposed when a user visits a malicious page or opens a malicious file crafted by a remote attacker.
2
What must an attacker do to exploit it?
The attacker must cause the target to interact with malicious content, either by visiting a malicious page or opening a malicious file. The stated impact is disclosure of sensitive information.